AIX compilation fixes from Paul Thiessen

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14233 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dir.h

@@ -67,6 +67,8 @@ public:
 // wxDir: portable equivalent of {open/read/close}dir functions
 // ----------------------------------------------------------------------------
 
+class WXDLLEXPORT wxDirData;
+
 class WXDLLEXPORT wxDir
 {
 public:

include/wx/list.h

@@ -131,6 +131,8 @@ private:
 
 WXDLLEXPORT_DATA(extern wxListKey) wxDefaultListKey;
 
+class WXDLLEXPORT wxListBase;
+
 class WXDLLEXPORT wxNodeBase
 {
 friend class wxListBase;

include/wx/popupwin.h

@@ -68,6 +68,9 @@ public:
 // when the user clicks mouse outside it or if it loses focus in any other way
 // ----------------------------------------------------------------------------
 
+class WXDLLEXPORT wxPopupWindowHandler;
+class WXDLLEXPORT wxPopupFocusHandler;
+
 class WXDLLEXPORT wxPopupTransientWindow : public wxPopupWindow
 {
 public:

src/tiff/tiff.h

@@ -52,19 +52,23 @@
  * 32-bit quantities	int32/uint32
  * strings		unsigned char*
  */
+#ifndef _AIX43 /* int{8,16,32} already defined on AIX */
 #ifdef __STDC__
 typedef	signed char int8;	/* NB: non-ANSI compilers may not grok */
 #else
 typedef	char int8;
 #endif
-typedef	unsigned char uint8;
 typedef	short int16;
+#endif
+typedef	unsigned char uint8;
 typedef	unsigned short uint16;	/* sizeof (uint16) must == 2 */
 #if defined(__alpha) || (defined(_MIPS_SZLONG) && _MIPS_SZLONG == 64)
 typedef	int int32;
 typedef	unsigned int uint32;	/* sizeof (uint32) must == 4 */
 #else
+#ifndef _AIX43
 typedef	long int32;
+#endif
 typedef	unsigned long uint32;	/* sizeof (uint32) must == 4 */
 #endif
 #endif /* _TIFF_DATA_TYPEDEFS_ */

src/unix/utilsunx.cpp

@@ -1016,8 +1016,9 @@ long wxGetFreeMemory()
 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 {
 #if defined(HAVE_STATFS) || defined(HAVE_STATVFS)
+    // the case to "char *" is needed for AIX 4.3
     struct statfs fs;
-    if ( statfs(path, &fs) != 0 )
+    if ( statfs((char *)path.fn_str(), &fs) != 0 )
     {
         wxLogSysError("Failed to get file system statistics");